Superb review with some surprise at the end of post
As soon as developers will be able to guarantee smart contracts on the Bitcoin blockchain as well, Edgeless is planning to expand their operations in that crypto currency as well. There is already a project that is targeted towards this direction, called Rootstock. RSK is pegged to Bitcoin in a two way manner and allows individuals and miners to use Smart Contracts via merged mining, have high scalability and provide nearly instant payments[/b]

https://medium.com/@VerthagOG/edgeless-investment-review-d3017f648bf7